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请下载后查看，本文暂不支持在线获取查看简介。胎龄≥41周,胎头未衔接的初产妇增加了剖宫产的风险@左万兴
Please download to view, this article does not support online access to view profile. A gestational age of ≥41 weeks, with unmatched primipara, increases the risk of cesarean delivery